68. A: Do you know what today is?
B: Yes, it's April 22.
A: It's more than just a date.
B: Is it your birthday or anniversary?
A: No, it's Earth Day.
B: What's that?
A: It's a yearly reminder to take care of our planet.
B: Oh, you mean like reuse things and recycle stuff?
A: Yes. We need to think green, save water, and stop using plastic bags.
B: How about if I take shorter showers?
A: That's a good idea, because showers waste a lot of water.
B: From now on, I'll spend only 20 minutes in the shower. 2.1